Stars' gowns danced down the Oscar red carpet

 "Black Swan" graced the Oscars on Sunday night in several ways: Besides Natalie Portman in her Rodarte violet-colored draped gown in silk chiffon with Swarovski crystals, co-star Mila Kunis wore a very low-cut, lingerie-style Elie Saab gown in lavender with lace details. But other stars had a bit of a dancer vibe, including Mandy Moore in a gold-beaded, illusion gown by Monique Lhuillier and